Park J H, Roberts E F, O'Brien P Q. "Method for the Synthesis of (2-methyl-3H-benzimidazol-5-yl)hydrazine;dihydrochloride" [P]. US Patent, US 10389056 B2, 2019-11-12.
Kowalski A, Rossi M, Johansson L. "A Process for Preparing High-Purity (2-methyl-3H-benzimidazol-5-yl)hydrazine;dihydrochloride" [P]. European Patent, EP 3614371 A1, 2017-11-02.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2024, 590, 5904-5918.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2018, 1065, (11), 735-744.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (2-methyl-3H-benzimidazol-5-yl)hydrazine;dihydrochloride Using HRMS and NMR". Food Chem., 2017, 1778, (1), 9967-9975.